We have the following indirect implication of form equivalence classes:

47-n \(\Rightarrow\) 0
given by the following sequence of implications, with a reference to its direct proof:

Implication Reference
47-n \(\Rightarrow\) 0

Here are the links and statements of the form equivalence classes referenced above:

Howard-Rubin Number Statement
47-n:

If \(n\in\omega-\{0,1\}\), \(C(WO,n)\): Every well ordered collection of \(n\)-element sets has a choice function.

0:  \(0 = 0\).

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